because of a high concentrate of citric acid
The fluids used to dry-clean clothing can remove grease even when water cannot because grease does not react to water because it is a water-resistant substance. However, the dry-clean fluids' molecules have chemical bonds, which removes the grease.
Elbow grease usually does the job!
Sandpaper.
Water cannot interact with grease,due to its high surface tension, so when the water is removed from the clothing after cleaning it, the grease remains. The fluids used to dry clean clothing are actually chemical solvents. They dissolve the grease, so when the solvent is removed, the grease is also removed.
Brasso and elbow grease.
use bread and grease
A lemon cleans a penny better.
Brasso, a clean rag, and some elbow grease.
Lemons do not give you acne, although it is possible, if unlikely, to have an allergy to lemons. If you have acne the best thing to do is to keep your skin extremely clean. Remove any layers of dead skin. Oxygen kills acne germs.
many engine builders like to use lubriplate 105 assembly grease pack clean grease into inlet of pump for start up or if pump is open pack clean grease into gears or lobe and rotor
use some elbow grease
With a lot of "elbow grease!"